Typewriting machine



L.'L. ANSART TYPEWRITING MACHINE Fild April 26,' 1922 April 14, 1925.

Patented Apr. 14, 1925.

LOUIS L. NSART, 0F NEW vOIIRK, N. Y.

COMPANY, or NEW YORK, N. Y.

4PA'I'EIW n TYPEWRITING MACHINE.

f i Application led April 26, 1922. Serial No. 556,626.

To all whom t may concern.'

.Be it known that I, LOUIS L. ANsAn'r, a.'

citizen of the United States, residing in borough of the Bronx, in thecounty of the Bronx, city and'State of New York, have invented certainnew and useful Improvements in Typewriting Machines, of which thefollowing is a specification.

This invention relates to means for centering headings or the like onwork-sheets in typewriting machines, and is illustrated in connectionwith the device shown in the patent to H."Bates and C. E. Smith, No.1,146,393, of July 13, 1915. It is also applicable to other devices, as,vfor example, that shown in the application/of B. F.'Barker, Serial No.543,635, filed March 14, 1922.

n carrying out the present invention, provision is made of means wherebythe setting of right and left margin-stops at any selected positionsautomatically eii'ects the setting of a centering pointer midway betweenthe margin-stops. The mechanism by which the margin-stops control theposition .of the centering stop may be substantially the same as in saidpatent to H. Bates and C. E. Smith. Provision may also be made of ahalf-letter-space scale, similar to that of the Barker application butpositioned so that its graduations are numbered fromA 0, coinciding withthe central pointer on the carriage, to the left.

After setting the margin-gages in the desired positions and determiningthe number of letter-spaces in the heading to be centered, the only stepnecessary, preparatory to typing the heading in centered position withreference to the margin-gages, is to shift the carriage to brin thegraduation, on the half-letter-space sca e and having the same number asthe letter-spaces in the heading, into alignment with the centeringpointer. f

Other features and advantages will hereinafter appear.

vIn the accompanying drawings,

Figure 1 is a front view, showing my invention `applied to so much of anUnderwood standard typewriter as is necessary for the purpose ofillustration, the margingages being set in the selected positions.

Figure 2 is a fragmentary view similar to Figure 1, but' showing thecarriage positioned to begin typing a heading in centered positionbetween the margin-stops.

Figure 3 is a view similar to Figure 2,-

b ut showing the mar in-gages set in positions diilerent fromt oseoccupied in Figure 2.

Provision isl made'ofa left margin-sto 11 and a rlght margin-stop 12,both slidably mounted o n a rod or bar 13 supported atthe left andright, respectively, by the ends 14 and 1 5 of the typewriter-iframe.vThe left margin-stop 11 is provided with `a pivoted tinger-p1ece16'havin an arm 17 connected wlth the forward en of a pin 18 guided inlugs 19 and pressed rearwardly by a spring 20. The pin 18 normallyengages the rod 13, so as to hold the mar -stop 11 against movement'transversely oitlhe machine in a manner which is more fully described insald patent to H. Bates and C. E. Smith.

pon pressing the finger-piece 16 toward a fixed finger-pleas 21 on themargin-stop 11, the pin 18 will be withdrawn from its eiective positionand the margin-stop 11 may be moved to any desired position along therod 13, the desired position being determined by the position of apointer 22 on the margin-stop 11 with reference to the usualletter-space scale 23 mounted on'the crossbar24 at the front of themachine The right margin-.stop 12 is also provided with a fixedfinger-piece 25 and a pivoted fingerpiece 2'6 having an arm 27 connectedwith a pin 28 guided in lugs 29 and pressed to the rear by a spring 30to co-operate with the barvr13 to hold the margin-stop 12 in adjustedposition. The right margin-stop 12 is also provided with a pointer 3l tocooperate with the letter-space scale 23 in positioning the margin-stop.

A centering pointer 32 is slidably mounted on the rod 13 and extends tothe upper edge of the letter-space scale 23 for a purpose to bedescribed more fully hereinafter. In order to maintain the centeringpointer 32 midwayv between the margin-stops l1 and 12, irrespective ofthe positions of the latter, a pinion 33 mounted on the centeringpoiuter32 meshes with a rack 34 ixedly connected with the left margin-stop 1l,and a rack 35 fixedly connected with the right margin-stop 12, thecentering pointer being so constructed as to-hold the racks 34 and 35 inmesh with the pinion 33. The means just described for automaticallymaintaining the centering pointer 32 midway between the margin-steps 1land 12 is substantially the Ass'IeNoR To UNnEBwoon rYPEwRI'rER ACORPORATION or DELAWARE rso same as that disclosed in said patent to II.Bates and C. E. Smith.

As herein disclosed, the carriage, which may be indicated in general bythe reference numeral 36, is provided with a front bar 37 adjacent tothe letter-space scale 23, and with the usual central pointer 3S tocooperate with the letter-space scale 23. In order to facilitate thepositioning of the carriage preparatory to typing a heading, or thelike, in centered position between the margin-stops 'l1 and 12,provisions is made of a half-letter-spaee scale 39 having its 0graduation in coincidence with the central pointer 38 and the othergradnations numbered to the left therefrom, the lower edge of thehalf-letter-space scale 39 lying along the upper edge of theletter-space scale 23 as the carriage travels transversely of the.machine. The pointers 22 and 31 of the left and right margin-stops 11and 12, respectively, extend only partway ac ross the letter-space scale23, but, as herembefore stated, the centering pointer 32 is extended tothe upper edge of the letter-space scale 23 so as to be close to thelower edge of the half-letter-space scale 39 which co-operates therewithin determining the position of the carriage preparatory to typing theheading in` centered position.

When a heading of agiven number of letter-spaces is to be centered withreference to the position of the margin-stops, half of the heading is tobe written on the Worksheet at the left of the central pointer 38,- andthe other half at the right. It is therefore necessary to bring thecarriage to a preliminary position in which the pointer 38 is positionedat the riglt of the centering pointer 32 a number of letter-spaces, halfthat in the heading. This distance is the same as that occupied by thenumber of half-letter-spaces corresponding to the number of wholeletter-spaces in the heading, and the preliminary position of thecarriage may, therefore, be obtained by bringing the half-letter-spacegraduation, corresponding in number to the number of letter-spaces inthe heading, opposite the centering pointer 32.

As shown in Figures 1 and 2, the marginstops 11 and 12 are positionedfor the letterspace positions 68 and 4, respectively, on the scale 23,and the centering pointer 32 is positioned over the graduation 36 of theletter-space scale, the carriage being shown in Figure 1 in the positionin which it happened to be before shifting to a position for typing theheading in centered position. As shown in Figure 3. the carriage 36 hasbeen shifted to bring the graduation 20 on the half-letter-space scale39 into alignment with the centering pointer 32. thus positioning thecarriage for centering a heading of twenty letter-spaces between themargin-stops.

Figure 3 shows the margin-stops placed in different positions from thoseoccupied in Figure 2, and the carriage again positioned for centeringthe heading of twenty letterspaces thereon.

Variations may be resorted to within the scope, of the invention, andportions of the improvements may be used without others.

Having thus described my invention, I claim:

1. In a typewriting machine, in combination, a carriage having aletter-feeding movement, margin-stops adjustable to different positionsto determine the limits of movement of said carriage, andheadingcentering means, comprising a half-letterspace scale on thecarriage and a pointer to ifo-operate therewith, whereby thecarriage maybe brought to the proper preliminary position for typing the heading incentered position, with reference to the margin-stops,

by placing in alignment the pointerand a graduation of thehalf-letter-space scale corresponding to the number of letter-spaces inthe heading.

'2. In a typewriting machine, in combination, a carriage having aletter-feeding movement, margin-stops adjustable to different positionsto determine the limits of movement of said carriage, andheadingcentering means, comprising a scale on the carriage and a pointerto co-operate therewith, whereby the carriage may be brought to theproper preliminary position for typing the heading in centered position,with reference to the margin-stops, by bringing into coincidence thepointer and a graduation of the scale corresponding to the number ofletter-spaces in the heading.

3. In a typewriting machine, in combination, a carriage having aletter-feeding movement, margin-stops adjustable to different positionsto determine the limits of movement of said carriage, and means forcentering a heading between said marginstops, comprising two elements, ahalf-letter-space scale on the carriage and a pointer controlled by themargin-stops, whereby the carriage may be positioned for typing theheading h v placing in alignment the pointer and the graduation of thehalf-letter-space scale corresponding to the number of letterspaces inthe heading.

4. In a typewriting machine,`in combination, a carriage having 'aletter-feeding movement, margin-stops adjustable'to different positionsto determine the limits of movement of said carriage, and means forcentering a heading between said marginstops, comprising two elements,ascale and a pointer, one of which is controlled -by the carriage and theother by the margin-stops, whereby the carriage may be positioned fortyping the heading by placing in alignment the pointerrand thegraduation of the scale corresponding to the number of letter-spaces inthe heading.

5. In a typewriting machine, in combination, a carriage having aletter-feedin movement, margin-stops adjustable to di ferent positionsto determine the limits of movement of said carriage, a centeringpointer connected with said margin-stops to be maintained midwaytherebetween, irrespective`of the positions of the latter, and ahalf-letter-space scale extending from the middle of the carriage in theletter-feeding direction, whereby the carriage may be positioned forcentering a heading of a redeteriiiined number of letter-spaces byringing the graduation of t-he half-letter-s ace scale, corresponding tosaid predetermined number, into alignment with said centering pointer.

6. In a typewriting machine, in combination, a carriage, a fixedletter-space scale extending transversely of the machine, marginstopssettable at letter-space distances along said letter-space scale, acentering pointer I movable along said letter-space scale, meanscontrolled by the margin-stops for automatically centering saidcentering pointer with reference thereto, and a half-letterspace scaleon said carriage extending to the left from the middle of the carriage,whereby the carriage may be ositioned for typing in centered position aeading of a redeterinined number of letter-spaces by ringing thegraduation on the half-letter-s ace scale, corresponding to saidpredetermined number, into alignment with said centering pointer.

7. In a typewriting machine, in combination, a carriage, a centralpointer thereon, a fixed letter-space scale to co-operate with saidcentral pointer to indicate the letterspace position of the carriage atany time, margin-stops settable at line-space distances along saidletter-space scale, a centering pointer movable along said letter-spacescale,

means controlled by the margin-stops for automatically centering saidcenterin pointer with reference thereto, and a hal letter-space scale onsaid carriage having its 0 graduation in coincidence/with said centralpointer and its graduations numbered from said 0 graduation in thedirection of carriage travel, whereby the carriage may be positioned fortyping a heading in centered position by bringing into coincidence thecentering pointer and the graduation of the half-letter-space scalecorresponding to the number of letter-spaces in said heading.

8. In a typewriting machine, in combination, a Iixed letter-space scaleextending transversely of the machine, a centering pointer settablealong said scale to indicate the center of a heading to be typed on awork-sheet, and a halfetter-space scale on the carriage to cooperatewith said pointer, said'scale having its O graduation at the middle ofthe carriage and the other graduations numbered to the left from said 0graduation, whereby, upon bringing into co incidence the centeringpointer and the graduation on the half-letter-space scale correspondingin number to the number of letter-spaces in the heading, the carriagewill be properly positioned for typing the heading in centered positionwith reference to said centering pointer.

9. In a typewriting machine, in combination, a letter-feeding carriageand a headingcentering scale mounted on the carriage with its 0 point atthe middle of the carriage, said scale extending to the left and sonumbered that the number indication at any point is twice the number ofletterspaces in the interval between the 0 and said point.

CATHERINE A. Niiwnu., JENNIE P. THoRNE.

